Detailed Product Description

The kind of refractory material has a high intensity, size stability, high temperature structural strength, low-temperature creep, good thermal shock stability,alkali erosion of good characteristics, usually used in cement kiln preheater and calciner, three air duct, and blast furnace, hot blast air duct, lime kiln, glass furnace of the Road and cover.

Mark		High strength Type
Chemical composition (%)	Al2O3	25~30
	Fe2O3	≤2
	SiO2	65~70
Refractoriness()		≥1550
Density(g·-3)		2.2
Apparent porosity (%)		≤20
Compressive strength (MPa)		≥60
Refractoriness under load T0.6		≥1250
Thermal expansion rate(900) [%]		0.7
Thermal conductivity/ (350) [W/(m·K) ]		1.28
Thermal shock resistance1100→water cold[times]		≥25